Using Colour - Crossword

Clues

1. Turtle command that sets the hue of the drawing line (8)
2. Turtle command that sets the interior shade for a closed shape (9)
3. Turtle command that changes the thickness of lines (7)
4. Python word for a hue, written the American way without a u (5)
5. Command placed before the lines of a shape so it can be shaded in (9)
6. Command placed straight after a closed shape to make the shading appear (7)